What is the weather like in Key West throughout the year?

Key West experiences varying weather throughout the year. The warmest month is September with average highs of 29°C. The coolest month is January.

What is the weather like in Key West in January?

Key West in January scores 67/100 based on 30 years of climate data. Recommended for planning your trip.

Who should visit Key West in January?

January in Key West is ideal for: Outdoor enthusiasts, Photographers, Cultural tourists, Honeymoon couples, Business travelers.

Best Time to Visit Key West | 30-Year Weather Analysis

Why January is the Best Time to Visit Key West

Is January a Good Time to Visit Key West?

👍Recommended for planning your trip(67/100)

Short Answer

January perfect for Key West's beaches - 23.7°C water temperature, 22°C days, minimal 10% rain. Book beachfront early as this is peak coastal season.

Decision Factors

Peak tourist season

85% of annual peak - expect crowds and high prices

Ideal temperature range

22.4°C - perfect for sightseeing and outdoor activities

Excellent dry conditions

Only 10% rain probability - ideal for outdoor activities

Pleasant swimming conditions

23.7°C sea temperature

Plenty of sunshine

8.9h of sunshine daily

Good For

🥾
Outdoor enthusiasts
Ideal hiking conditions: 22.4°C, 10% rain chance
📸
Photographers
8.9h sunshine, 55% clear skies for golden hour shots
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 93/100 with romantic weather conditions
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

💰
Budget travelers
Peak season means premium prices everywhere
👴
Elderly travelers
77% humidity creates difficult conditions

Warmest

September

29°C avg

Coolest

January

22°C avg

Driest

March

8% rain

Wettest

September

43% rain

Planning Your Trip to Key West, United States

Wondering when is the best time to visit Key West? Based on our analysis of 30 years of NASA satellite weather data, the ideal months to travel to Key West are January, February, March. During these months, you'll experience optimal temperatures around 22°C with only 10% chance of rain.

The Key West climate varies throughout the year. September is the hottest month with average highs of 29°C, while January is the coldest at 22°C. If you're planning outdoor activities or sightseeing in Key West, avoid September when rainfall peaks at 43% probability.

For the best Key West weather experience, we recommend visiting during March for the driest conditions or the shoulder months of January and February for a perfect balance of weather and fewer crowds.

Key West Weather by Month: Climate Guide

Click any month to explore detailed daily forecasts for Key West

🏆 85-100: Excellent👍 70-84: Great👌 55-69: Good🤔 40-54: Fair⚠️ 0-39: Challenging

When to Visit Key West: Travel Style Guide

Personalized Key West travel recommendations based on 30-year weather data

Beach Lovers

Warmest weather with ideal sea temperatures for swimming

JulyAugustJune

Budget Travelers

Shoulder season with good weather and lower prices

MayJuneOctober

Avoiding Crowds

Fewer tourists with acceptable weather conditions

JulyAugustSeptember

Photography

Best light conditions with clear skies

FebruaryMarchApril

Honeymoon

Perfect conditions for a romantic getaway

JanuaryFebruaryMarch

Key West Weather FAQ: Your Questions Answered

What is the best time to visit Key West?

Based on 30 years of weather data, the best months to visit Key West are January, February, March. These months offer the optimal combination of pleasant temperatures (22°C avg) and low rainfall (10% chance).

When is the hottest time of year in Key West?

September is historically the warmest month in Key West with average highs of 29°C. If you prefer cooler weather, consider visiting in January when temperatures average around 22°C.

When is the rainy season in Key West?

September typically sees the most rainfall in Key West with a 43% chance of rain. For the driest conditions, plan your visit in March when rain probability drops to just 8%.

How accurate is the Key West weather forecast?

Our Key West climate analysis is based on 30 years of NASA POWER satellite observations (1995-2024), providing highly accurate historical averages. While weather can vary year to year, these long-term patterns are excellent indicators for planning your trip to Key West.

What should I pack for Key West?

Packing depends on when you visit. In September (warmest month), pack light summer clothes for 29°C weather. In January (coolest month), bring layers for 22°C temperatures. During September, pack rain gear as there's a 43% chance of rain.

Is Key West good for a destination wedding?

Yes! The best months for an outdoor wedding in Key West are March (only 8% rain chance) and January for optimal weather conditions. Avoid September when rain probability peaks at 43%.